CVE-2018-20160
UnknownEPSS 2.23%
Last modified
CVE-2018-20160 is a vulnerability of currently unknown severity. ZxChat (aka ZeXtras Chat), as used for zimbra-chat and zimbra-talk in Synacor Zimbra Collaboration Suite 8.7 and 8.8 and in other products, allows XXE attacks, as demonstrated by a crafted XML request to mailboxd.. EPSS estimates a 2.23% chance of exploitation in the next 30 days.
Description
ZxChat (aka ZeXtras Chat), as used for zimbra-chat and zimbra-talk in Synacor Zimbra Collaboration Suite 8.7 and 8.8 and in other products, allows XXE attacks, as demonstrated by a crafted XML request to mailboxd.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Synacor | Zimbra Collaboration Suite | >= 8.7.0, < 8.7.11 |
| Synacor | Zimbra Collaboration Suite | >= 8.8.0, < 8.8.9 |
| Synacor | Zimbra Collaboration Suite | 8.7.11 |
| Synacor | Zimbra Collaboration Suite | 8.8.9 |
| Synacor | Zimbra Collaboration Suite | 8.8.10 |
| Synacor | Zimbra Collaboration Suite | 8.8.11 |
References
- https://bugzilla.zimbra.com/show_bug.cgi?id=109093Issue Tracking, Third Party Advisory
- https://wiki.zimbra.com/wiki/Security_CenterRelease Notes, Vendor Advisory
- https://wiki.zimbra.com/wiki/Zimbra_Security_AdvisoriesVendor Advisory
- https://bugzilla.zimbra.com/show_bug.cgi?id=109093Issue Tracking, Third Party Advisory
- https://wiki.zimbra.com/wiki/Security_CenterRelease Notes, Vendor Advisory
- https://wiki.zimbra.com/wiki/Zimbra_Security_AdvisoriesVendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2018-20160?
ZxChat (aka ZeXtras Chat), as used for zimbra-chat and zimbra-talk in Synacor Zimbra Collaboration Suite 8.7 and 8.8 and in other products, allows XXE attacks, as demonstrated by a crafted XML request to mailboxd.
How severe is CVE-2018-20160?
Severity scoring for CVE-2018-20160 is pending analysis. The EPSS model estimates a 2.23% probability of exploitation in the next 30 days.
How do I fix CVE-2018-20160?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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Are you affected by CVE-2018-20160?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST